etseidl commented on code in PR #10842:
URL: https://github.com/apache/arrow-rs/pull/10842#discussion_r3918373715
##########
parquet/src/file/metadata/writer.rs:
##########
@@ -453,17 +452,18 @@ impl<'a, W: Write> ParquetMetaDataWriter<'a, W> {
self.write_path_in_schema,
);
- if let Some(PageIndex {
- column_indexes,
- offset_indexes,
- }) = page_index
+ // Downcast to PageIndex to access raw index structures for
serialization
+ if let Some(page_index_arc) = self.metadata.page_index.as_ref()
+ && let Some(page_index) = page_index_arc
+ .as_any()
+ .downcast_ref::<crate::file::metadata::PageIndex>()
Review Comment:
done in
https://github.com/apache/arrow-rs/pull/10842/commits/690907cebec9e307a567f7755719371d32d4609a
need to file issue
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